Παραπομπή APA

Keating, D., & May Antony Williamson Adrian. (1991). Keating on Building Contracts. Sweet & Maxwell.

Παραπομπή Chicago Style

Keating, Donald, και May Antony Williamson Adrian. Keating on Building Contracts. London: Sweet & Maxwell, 1991.

Παραπομπή MLA

Keating, Donald, και May Antony Williamson Adrian. Keating on Building Contracts. Sweet & Maxwell, 1991.